Wristwatch



FIG. 1 is a front and side perspective view of a wristwatch showing mynew design;

FIG. 2 is a rear and side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view.

CLAIM The ornamental design for a wristwatch, as shown and described.